<!DOCTYPE HTML>
<html>
	<head>
		<meta charset="utf-8">
		<meta name="viewport" content="maximum-scale=1.0,minimum-scale=1.0,user-scalable=0,width=device-width,initial-scale=1.0"/>
		<meta name="format-detection" content="telephone=no,email=no,date=no,address=no">
		<title></title>
		<link rel="stylesheet" type="text/css" href="../../../css/aui/aui.css" />
		<style type="text/css">
		</style>
	</head>
	<body>
		<div id="main" style="width: 100%;height:100%;"></div>
	</body>
	<script type="text/javascript" src="../../../script/echarts.min.js"></script>
	<script type="text/javascript">
		var easingFuncs = {
			linear : function(k) {
				return k;
			},
			quadraticIn : function(k) {
				return k * k;
			},
			quadraticOut : function(k) {
				return k * (2 - k);
			},
			quadraticInOut : function(k) {
				if ((k *= 2) < 1) {
					return 0.5 * k * k;
				}
				return -0.5 * (--k * (k - 2) - 1);
			},
			cubicIn : function(k) {
				return k * k * k;
			},
			cubicOut : function(k) {
				return --k * k * k + 1;
			},
			cubicInOut : function(k) {
				if ((k *= 2) < 1) {
					return 0.5 * k * k * k;
				}
				return 0.5 * ((k -= 2) * k * k + 2);
			},
			quarticIn : function(k) {
				return k * k * k * k;
			},
			quarticOut : function(k) {
				return 1 - (--k * k * k * k);
			},
			quarticInOut : function(k) {
				if ((k *= 2) < 1) {
					return 0.5 * k * k * k * k;
				}
				return -0.5 * ((k -= 2) * k * k * k - 2);
			},
			quinticIn : function(k) {
				return k * k * k * k * k;
			},
			quinticOut : function(k) {
				return --k * k * k * k * k + 1;
			},
			quinticInOut : function(k) {
				if ((k *= 2) < 1) {
					return 0.5 * k * k * k * k * k;
				}
				return 0.5 * ((k -= 2) * k * k * k * k + 2);
			},
			sinusoidalIn : function(k) {
				return 1 - Math.cos(k * Math.PI / 2);
			},
			sinusoidalOut : function(k) {
				return Math.sin(k * Math.PI / 2);
			},
			sinusoidalInOut : function(k) {
				return 0.5 * (1 - Math.cos(Math.PI * k));
			},
			exponentialIn : function(k) {
				return k === 0 ? 0 : Math.pow(1024, k - 1);
			},
			exponentialOut : function(k) {
				return k === 1 ? 1 : 1 - Math.pow(2, -10 * k);
			},
			exponentialInOut : function(k) {
				if (k === 0) {
					return 0;
				}
				if (k === 1) {
					return 1;
				}
				if ((k *= 2) < 1) {
					return 0.5 * Math.pow(1024, k - 1);
				}
				return 0.5 * (-Math.pow(2, -10 * (k - 1)) + 2);
			},
			circularIn : function(k) {
				return 1 - Math.sqrt(1 - k * k);
			},
			circularOut : function(k) {
				return Math.sqrt(1 - (--k * k));
			},
			circularInOut : function(k) {
				if ((k *= 2) < 1) {
					return -0.5 * (Math.sqrt(1 - k * k) - 1);
				}
				return 0.5 * (Math.sqrt(1 - (k -= 2) * k) + 1);
			},
			elasticIn : function(k) {
				var s;
				var a = 0.1;
				var p = 0.4;
				if (k === 0) {
					return 0;
				}
				if (k === 1) {
					return 1;
				}
				if (!a || a < 1) {
					a = 1;
					s = p / 4;
				} else {
					s = p * Math.asin(1 / a) / (2 * Math.PI);
				}
				return -(a * Math.pow(2, 10 * (k -= 1)) * Math.sin((k - s) * (2 * Math.PI) / p));
			},
			elasticOut : function(k) {
				var s;
				var a = 0.1;
				var p = 0.4;
				if (k === 0) {
					return 0;
				}
				if (k === 1) {
					return 1;
				}
				if (!a || a < 1) {
					a = 1;
					s = p / 4;
				} else {
					s = p * Math.asin(1 / a) / (2 * Math.PI);
				}
				return (a * Math.pow(2, -10 * k) * Math.sin((k - s) * (2 * Math.PI) / p) + 1);
			},
			elasticInOut : function(k) {
				var s;
				var a = 0.1;
				var p = 0.4;
				if (k === 0) {
					return 0;
				}
				if (k === 1) {
					return 1;
				}
				if (!a || a < 1) {
					a = 1;
					s = p / 4;
				} else {
					s = p * Math.asin(1 / a) / (2 * Math.PI);
				}
				if ((k *= 2) < 1) {
					return -0.5 * (a * Math.pow(2, 10 * (k -= 1)) * Math.sin((k - s) * (2 * Math.PI) / p));
				}
				return a * Math.pow(2, -10 * (k -= 1)) * Math.sin((k - s) * (2 * Math.PI) / p) * 0.5 + 1;
			},
			// 在某一动画开始沿指示的路径进行动画处理前稍稍收回该动画的移动
			backIn : function(k) {
				var s = 1.70158;
				return k * k * ((s + 1) * k - s);
			},
			backOut : function(k) {
				var s = 1.70158;
				return --k * k * ((s + 1) * k + s) + 1;
			},
			backInOut : function(k) {
				var s = 1.70158 * 1.525;
				if ((k *= 2) < 1) {
					return 0.5 * (k * k * ((s + 1) * k - s));
				}
				return 0.5 * ((k -= 2) * k * ((s + 1) * k + s) + 2);
			},
			// 创建弹跳效果
			bounceIn : function(k) {
				return 1 - easingFuncs.bounceOut(1 - k);
			},
			bounceOut : function(k) {
				if (k < (1 / 2.75)) {
					return 7.5625 * k * k;
				} else if (k < (2 / 2.75)) {
					return 7.5625 * (k -= (1.5 / 2.75)) * k + 0.75;
				} else if (k < (2.5 / 2.75)) {
					return 7.5625 * (k -= (2.25 / 2.75)) * k + 0.9375;
				} else {
					return 7.5625 * (k -= (2.625 / 2.75)) * k + 0.984375;
				}
			},
			bounceInOut : function(k) {
				if (k < 0.5) {
					return easingFuncs.bounceIn(k * 2) * 0.5;
				}
				return easingFuncs.bounceOut(k * 2 - 1) * 0.5 + 0.5;
			}
		};
		var N_POINT = 30;
		var grids = [];
		var xAxes = [];
		var yAxes = [];
		var series = [];
		var titles = [];
		var count = 0;
		echarts.util.each(easingFuncs, function(easingFunc, name) {
			var data = [];
			for (var i = 0; i <= N_POINT; i++) {
				var x = i / N_POINT;
				var y = easingFunc(x);
				data.push([x, y]);
			}
			grids.push({
				show : true,
				borderWidth : 0,
				backgroundColor : '#fff',
				shadowColor : 'rgba(0, 0, 0, 0.3)',
				shadowBlur : 2
			});
			xAxes.push({
				type : 'value',
				show : false,
				min : 0,
				max : 1,
				gridIndex : count
			});
			yAxes.push({
				type : 'value',
				show : false,
				min : -0.4,
				max : 1.4,
				gridIndex : count
			});
			series.push({
				name : name,
				type : 'line',
				xAxisIndex : count,
				yAxisIndex : count,
				data : data,
				showSymbol : false,
				animationEasing : name,
				animationDuration : 1000
			});
			titles.push({
				textAlign : 'center',
				text : name,
				textStyle : {
					fontSize : 12,
					fontWeight : 'normal'
				}
			});
			count++;
		});
		var rowNumber = Math.ceil(Math.sqrt(count));
		echarts.util.each(grids, function(grid, idx) {
			grid.left = ((idx % rowNumber) / rowNumber * 100 + 0.5) + '%';
			grid.top = (Math.floor(idx / rowNumber) / rowNumber * 100 + 0.5) + '%';
			grid.width = (1 / rowNumber * 100 - 1) + '%';
			grid.height = (1 / rowNumber * 100 - 1) + '%';
			titles[idx].left = parseFloat(grid.left) + parseFloat(grid.width) / 2 + '%';
			titles[idx].top = parseFloat(grid.top) + '%';
		});
		option = {
			title : titles.concat([{
				text : 'Different Easing Functions',
				top : 'bottom',
				left : 'center'
			}]),
			grid : grids,
			xAxis : xAxes,
			yAxis : yAxes,
			series : series
		};
		// 基于准备好的dom，初始化echarts实例
		var myChart = echarts.init(document.getElementById('main'));
		// 使用刚指定的配置项和数据显示图表。
		myChart.setOption(option);
	</script>
</html>